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WO2020060973A1 - Procédés à l'échelle industrielle pour former des structures de monomère et d'oxyde de graphène liés par covalence - Google Patents

Procédés à l'échelle industrielle pour former des structures de monomère et d'oxyde de graphène liés par covalence Download PDF

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Publication number
WO2020060973A1
WO2020060973A1 PCT/US2019/051405 US2019051405W WO2020060973A1 WO 2020060973 A1 WO2020060973 A1 WO 2020060973A1 US 2019051405 W US2019051405 W US 2019051405W WO 2020060973 A1 WO2020060973 A1 WO 2020060973A1
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WO
WIPO (PCT)
Prior art keywords
monomer
graphene oxide
carbon
chemisorbed
physisorbed
Prior art date
Application number
PCT/US2019/051405
Other languages
English (en)
Inventor
David RESTREPO
Matthew MCINNIS
Sean CHRISTIANSEN
Original Assignee
Garmor Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Garmor Inc. filed Critical Garmor Inc.
Priority to EP23154238.2A priority Critical patent/EP4209545A1/fr
Priority to JP2021514559A priority patent/JP2022500540A/ja
Priority to CA3112876A priority patent/CA3112876C/fr
Priority to US17/275,398 priority patent/US20220106456A1/en
Priority to KR1020217011461A priority patent/KR102647931B1/ko
Priority to EP19862892.7A priority patent/EP3853301B1/fr
Publication of WO2020060973A1 publication Critical patent/WO2020060973A1/fr
Priority to JP2023095771A priority patent/JP2023116639A/ja

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • C08K3/042—Graphene or derivatives, e.g. graphene oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
    • B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
    • B29B7/103—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with rollers or the like in casings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/82—Heating or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/88—Adding charges, i.e. additives
    • B29B7/885—Adding charges, i.e. additives with means for treating, e.g. milling, the charges
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/15—Nano-sized carbon materials
    • C01B32/182—Graphene
    • C01B32/198—Graphene oxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/005—Reinforced macromolecular compounds with nanosized materials, e.g. nanoparticles, nanofibres, nanotubes, nanowires, nanorods or nanolayered materials
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/22—Component parts, details or accessories; Auxiliary operations
    • B29B7/28—Component parts, details or accessories; Auxiliary operations for measuring, controlling or regulating, e.g. viscosity control
    • B29B7/286—Component parts, details or accessories; Auxiliary operations for measuring, controlling or regulating, e.g. viscosity control measuring properties of the mixture, e.g. temperature, density
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/58—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only, e.g. particles, powder, beads, flakes, spheres

Definitions

  • the present invention relates in general to the field of industrial scale processes form a covalent bonded monomer and graphene oxide structures.
  • Graphite is commonly used to enhance mechanical, electrical, and thermal conductivity of a composite material.
  • Graphite has been used as a component in a wide number of composite materials including resins, epoxies, and polymers.
  • Composite materials can be prepared by using different reinforcing fillers such as natural graphite, synthetic graphite, carbon black, or carbon fibers with phenolic resin as a polymer matrix precursor in its liquid and powder form.
  • phenolic resin as phenolic resin
  • Solid-Solid mixing is a common and proven way to blend powders in solids handling industries. For decades, solid-solid mixing has been used in powder blending to homogenize bulk materials and has been designed to handle materials with various bulk solids properties. On the basis of the practical experience gained with these different machines, engineering knowledge has been developed to construct reliable equipment and to predict scale-up and mixing behavior. Today the same mixing technologies are used for many more applications to: improve product quality, coat particles, fuse materials, wet, disperse in liquid, de agglomerate, and alter the material properties. Now solid-solid mixing is being used to accomplish the classic chemical reaction/processes without the need of a solvent. This general technical approach is referred to as mechanochemistry.
  • Swager used mechanochemical energy and a catalyst to polymerize poly(phenylene vinylene) (PPV) from two white powders - the monomer (l,4-bis(chloromethyl)-2-((2-ethylhexyl)oxy)-5-methoxy benzene), and a strong base (potassium tert-butoxide)— to form a red conductive polymer using a ball mill (ACS Macro Lett. 2014, DOI: 10.1021/mz500098r). They reported the process is fast, requires no solvent, and yields more consistent chain lengths than wet-chemistry synthesis. The only draw back to the process was that the conversion yield was 60% with an average particle size less than 5 nm.
  • the present invention includes method of making a chemisorbed graphene oxide polymer composite comprising the steps of: placing a monomer and graphene oxide into a ball mill; milling the monomer with a carbon additive to produce a physisorbed monomer graphene oxide material; placing the physisorbed monomer graphene oxide material into a polymerization chemical reactor, wherein the physisorbed monomer graphene oxide is converted to chemisorbed monomer graphene oxide; and reacting the monomer carbon additive with other monomers or prepolymers to polymerize the materials to form a chemisorbed carbon polymer composite.
  • the present invention includes a method of making a chemisorbed graphene oxide polymer composite comprising the steps of: placing a monomer and graphene oxide into a ball mill; milling the monomer with a carbon additive to produce a physisorbed monomer graphene oxide material; placing the physisorbed monomer graphene oxide material into a polymerization chemical reactor, wherein the physisorbed monomer graphene oxide is converted to chemisorbed monomer graphene oxide by a heat treatment; and reacting the monomer carbon additive with other monomers or prepolymers to polymerize the materials to form a chemisorbed carbon polymer composite.
  • the chemisorbed carbon polymer composite has both an increase in physical properties and has a corresponding increase in elongation to break.
  • the carbon additive is comprised of an oxide of graphite, graphene, carbon, carbon nanotubes, carbon black or carbon nanowires.
  • the monomer of is a liquid or a solid particle.
  • the monomer is a particle with a particle size greater than 1 pm and less than 500 pm.
  • the monomer is a liquid of a viscosity greater than 1 centipoise and less than 10,000 centipoise.
  • the carbon oxide is comprised of at least one of: a hydroxide, a peroxide, an epoxide or a carboxylic.
  • the carbon oxide is graphene oxide.
  • the graphene oxide has an oxidation level between 1% and 25%.
  • the graphene oxide is a graphene oxide flake.
  • the graphene oxide flake has an area to thickness ration less than 100,000 A.
  • the heat treatment further comprises a catalyst.
  • the catalyst selected from a volatile, fixed or permanent base chosen from one or more of ammonia, amines, potassium hydroxide, lithium hydroxide, sodium hydroxide, calcium hydroxide, sodium carbonate, sodium silicate, and transition metal amino compounds.
  • the heat treatment comprises a temperature of 35, 40, 45, 45, 55, 60, 65, 70, 75, or 75°C.
  • the present invention includes a method of making a chemisorbed graphene oxide polymer composite comprising the steps of: placing a monomer and graphene oxide flake into a ball mill; milling the monomer with a carbon additive to produce a physisorbed monomer graphene oxide material; placing the physisorbed monomer graphene oxide material into a polymerization chemical reactor, wherein the physisorbed monomer graphene oxide is converted to chemisorbed monomer graphene oxide by a heat treatment; and reacting the monomer carbon additive with other monomers or prepolymers to polymerize the materials to form a chemisorbed carbon polymer composite.
  • the chemisorbed carbon polymer composite has both an increase in physical properties and has a corresponding increase in elongation to break.
  • the carbon additive is comprised of an oxide of graphite, graphene, carbon, carbon nanotubes, carbon black or carbon nanowires.
  • the monomer of is a liquid or a solid particle.
  • the monomer is a particle with a particle size greater than 1 pm and less than 500 pm.
  • the monomer is a liquid of a viscosity greater than 1 centipoise and less than 10,000 centipoise.
  • the carbon oxide is comprised of at least one of: a hydroxide, a peroxide, an epoxide or a carboxylic.
  • the graphene oxide flake has an oxidation level between 1% and 25%.
  • the graphene oxide flake has an area to thickness ration less than 100,000 A.
  • the reactor further comprises a catalyst.
  • the catalyst selected from a volatile, fixed or permanent base chosen from one or more of ammonia, amines, potassium hydroxide, lithium hydroxide, sodium hydroxide, calcium hydroxide, sodium carbonate, sodium silicate, and transition metal amino compounds.
  • the heat treatment comprises a temperature of 35, 40, 45, 45, 55, 60, 65, 70, 75, or 75°C.
  • the present invention also includes a chemisorbed graphene oxide polymer composite made by a method comprising: placing a monomer and graphene oxide into a ball mill; milling the monomer with a carbon additive to produce a physisorbed monomer graphene oxide material; placing the physisorbed monomer graphene oxide material into a polymerization chemical reactor, wherein the physisorbed monomer graphene oxide is converted to chemisorbed monomer graphene oxide by a heat treatment and, optionally, a catalyst; and reacting the monomer carbon additive with other monomers or prepolymers to polymerize the materials to form the chemisorbed graphene oxide polymer composite.
  • the present invention also includes a method of making a chemisorbed graphene oxide comprising the steps of: placing a monomer and graphene oxide into a ball mill; milling the monomer with a carbon additive to produce a physisorbed monomer graphene oxide material; converting the physisorbed monomer graphene oxide material into a chemisorbed monomer graphene oxide by a heat treatment.
  • the carbon additive comprised an oxide of graphite, graphene, carbon, carbon nanotubes, carbon black or carbon nanowires.
  • the monomer of is a liquid or a solid particle.
  • the monomer is a particle with a particle size greater than 1 pm and less than 500 pm. In another aspect, the monomer is a liquid of a viscosity greater than 1 centipoise and less than 10,000 centipoise.
  • the graphene oxide has an oxidation level between 1% and 25%. In another aspect, the graphene oxide is a graphene oxide flake. In another aspect, the graphene oxide flake has an area to thickness ration less than 100,000 A. In another aspect, the heat treatment further comprises a catalyst.
  • the catalyst selected from a volatile, fixed or permanent base chosen from one or more of ammonia, amines, potassium hydroxide, lithium hydroxide, sodium hydroxide, calcium hydroxide, sodium carbonate, sodium silicate, and transition metal amino compounds.
  • the heat treatment comprises a temperature of 35, 40, 45, 45, 55, 60, 65, 70, 75, or 75°C.
  • Graphene on a micron scale is hundreds of times stronger than steel, harder than diamond, and conducts heat and electricity better than copper. Translating these attributes to industrially relevant opportunities has been a challenge.
  • the present inventors have translated the micron scale to the macroscale by reacting their GO with monomers creating covalent bonds between the GO and the polymer in reactors used for in situ polymerization.
  • a covalent/chemisorbed reaction when using a GO additive is a way to radically improve the physical properties of a host.
  • the challenge is three fold: 1) react the functional groups of the GO with a monomer of the future polymer; 2) induce sufficient functionalization on the GO to react with a number of monomers to enable the desired controlled reaction resulting in enhanced physical properties of the final polymer; and 3) create a uniform dispersion of the functionalized graphene (fGO) or oxidized graphene (GO) into the monomer mixture prior to polymerization.
  • the methods of the present invention overcome each of these three challenges.
  • the inventors have shown that under the right conditions solid-solid mixing or mechanochemistry processing enables a monomer to react with functional groups of the GO, this requires; 1) The oxidation level of the GO flake between 1% and 25% to obtain a covalent reaction with the monomer that then translates a controllable polymerization reaction. An oxidation level less than 1% will not have sufficient level of functional groups to react effectively with the monomer. An oxidation of functionalization level greater than 25% reacts completely with the monomer preventing a further reaction to form a polymer; 2) the flake area to thickness ratio less than 100,000 A; 3) ball milling with a media with a density less than 9 g/cm 3 . The ball milling process keeps the GO from self-assembling or flocculating due to van der Waals forces/attraction.
  • the monomer can be a liquid, solid or suspension.
  • carbon additive refers to a carbon-based monomer or polymer that includes, e.g., an oxide of graphite, graphene, carbon, carbon nanotubes, carbon black or carbon nanowires. These will typically be in powder or particle form, but may also be in suspension in a liquid.
  • Non-limiting examples of monomers for use with the present invention includes that that form one or more of the following polymers, e.g., vinylacetic acid (VAA), polyvinylpyrrolidone), polyethylene oxide (PEO), Hydroxy propyl methyl cellulose (HPMC), Poly(phenylene oxide) (PPO), dextran, polysaccharides, polyacrylic acid, poly methacry lie acid, polyacrylamide, PEO/PPO, albumin, chitosan, peptides, papain, collagens, copolymers of lactide and glycolide, copolymers containing polyacrylic acid, copolymers containing poly methacry lie acid, copolymers of any of these homopolymers, copolymers of these homopolymers with the addition of other homopolymers and copolymers and plastics such as polystyrene, polypropylene, and polyterepthalate.
  • VAA vinylacetic acid
  • PEO polyethylene oxide
  • HPMC
  • the polymer may be a bioabsorbable, or biodegradable, synthetic polymer such as a polyanhydride, polyorthoester, or polyhydroxy acid such as polylactic acid, poly glycolic acid, and copolymers or blends thereof.
  • suitable materials include ethylene vinyl acetate, derivatives of polyvinyl alcohol, teflon, nylon, poly methacrylate and silicon polymers.
  • Other non-degradable materials are ethylene vinyl acetate meshes and polyvinyl alcohol polymers.
  • the monomer solid needs to be in a powder form where the powder diameter is greater than 0.01 micron and less than 500 microns.
  • the powder will coat the GO flake and react with the oxide on the GO flake.
  • the GO powder will coat the monomer/prepolymer powder.
  • the monomers powder 0.01 pm and 1 pm centipoise.
  • the viscosity needs to be between 1 centipoise and 10,000 centipoise. Ideally the liquid or suspended monomers are between 1 and 100 centipoise.
  • the parameters are necessary to enable the covalent reaction and prevent damaging the monomer or size reduction of the GO; 4) milling speed less than 700 rpm and a milling time less than 2 hour with a monomer. The minimum time is required to allow for covalent reaction while the maximum time prevents the overheating and decomposition or degradation of the monomer. 5) The process produces a physisorbed monomer GO material.
  • the physisorbed monomer acts as both a compatibilizer and prevents agglomeration/flocculation enabling a simple dispersion in a reactor; and 6) once placed into the reactor and processed with other monomers or pre-polymer (e.g., a polyethylene terephthalate (PET) pre-polymer) and/or a catalyst such as sodium hydroxide the physisorbed monomer becomes a chemisorbed monomer GO material that can be further reacted into the polymer structure.
  • PET polyethylene terephthalate
  • the invention will work with any powder monomer or pre-polymer.
  • the method of the present invention enables the dispersion and reaction of graphene oxide with a monomer forming covalent bonds between the GO and the polymer.
  • the particles of the one material (monomer) are coated with the material of another component with OH or COOH functionalization using a milling process.
  • the inventors use 20% GO to 80% monomer by weight that are mixed together in a ball milling vessel with a volume of 25 gal with 300 lbs. media.
  • the physisorbed monomer GO structure when dispersed in a chemical reactor with additional monomers, catalyst and/or additional energy produces a chemisorbed monomer GO material that then polymerizes into a composite material via in-situ polymerization.
  • the reactor is typically held at 65°C to melt and blend the two monomers, however, the reactor can operate at 35, 40, 45, 45, 55, 60, 65, 70, 75, or 75°C, depending on the melting temperature of the monomer or monomers.
  • the blending is typically done at 25 rpm.
  • the process may use a catalyst, e.g., volatile, fixed or permanent base chosen from one or more of ammonia, amines, potassium hydroxide, lithium hydroxide, sodium hydroxide, calcium hydroxide, sodium carbonate, sodium silicate, and transition metal amino compounds.
  • a catalyst e.g., volatile, fixed or permanent base chosen from one or more of ammonia, amines, potassium hydroxide, lithium hydroxide, sodium hydroxide, calcium hydroxide, sodium carbonate, sodium silicate, and transition metal amino compounds.
  • the resulting composite material shows significant enhancement in (>100%) physical properties that occurs with an increase in the elongation to break.
  • the present invention includes method of making a chemisorbed graphene oxide polymer composite comprising, consisting essentially of, or consisting of, the steps of: placing a monomer and graphene oxide into a ball mill; milling the monomer with a carbon additive to produce a physisorbed monomer graphene oxide material; placing the physisorbed monomer graphene oxide material into a polymerization chemical reactor, wherein the physisorbed monomer graphene oxide is converted to chemisorbed monomer graphene oxide; and reacting the monomer carbon additive with other monomers or prepolymers to polymerize the materials to form a chemisorbed carbon polymer composite.
  • the present invention includes a method of making a chemisorbed graphene oxide polymer composite comprising, consisting essentially of, or consisting of, the steps of: placing a monomer and graphene oxide into a ball mill; milling the monomer with a carbon additive to produce a physisorbed monomer graphene oxide material; placing the physisorbed monomer graphene oxide material into a polymerization chemical reactor, wherein the physisorbed monomer graphene oxide is converted to chemisorbed monomer graphene oxide by a heat treatment; and reacting the monomer carbon additive with other monomers or prepolymers to polymerize the materials to form a chemisorbed carbon polymer composite.
  • the chemisorbed carbon polymer composite has both an increase in physical properties and has a corresponding increase in elongation to break.
  • the carbon additive is comprised of an oxide of graphite, graphene, carbon, carbon nanotubes, carbon black or carbon nanowires.
  • the monomer of is a liquid or a solid particle.
  • the monomer is a particle with a particle size greater than 1 pm and less than 500 pm.
  • the monomer is a liquid of a viscosity greater than 1 centipoise and less than 10,000 centipoise.
  • the carbon oxide is comprised of at least one of: a hydroxide, a peroxide, an epoxide or a carboxylic.
  • the carbon oxide is graphene oxide.
  • the graphene oxide has an oxidation level between 1% and 25%.
  • the graphene oxide is a graphene oxide flake.
  • the graphene oxide flake has an area to thickness ration less than 100,000 A
  • the heat treatment further comprises a catalyst.
  • the catalyst selected from a volatile, fixed or permanent base chosen from one or more of ammonia, amines, potassium hydroxide, lithium hydroxide, sodium hydroxide, calcium hydroxide, sodium carbonate, sodium silicate, and transition metal amino compounds.
  • the heat treatment comprises a temperature of 35, 40, 45, 45, 55, 60, 65, 70, 75, or 75°C.
  • the present invention includes a method of making a chemisorbed graphene oxide polymer composite comprising, consisting essentially of, or consisting of, the steps of: placing a monomer and graphene oxide flake into a ball mill; milling the monomer with a carbon additive to produce a physisorbed monomer graphene oxide material; placing the physisorbed monomer graphene oxide material into a polymerization chemical reactor, wherein the physisorbed monomer graphene oxide is converted to chemisorbed monomer graphene oxide by a heat treatment; and reacting the monomer carbon additive with other monomers or prepolymers to polymerize the materials to form a chemisorbed carbon polymer composite.
  • the chemisorbed carbon polymer composite has both an increase in physical properties and has a corresponding increase in elongation to break.
  • the carbon additive is comprised of an oxide of graphite, graphene, carbon, carbon nanotubes, carbon black or carbon nanowires.
  • the monomer of is a liquid or a solid particle.
  • the monomer is a particle with a particle size greater than 1 pm and less than 500 pm.
  • the monomer is a liquid of a viscosity greater than 1 centipoise and less than 10,000 centipoise.
  • the carbon oxide is comprised of at least one of: a hydroxide, a peroxide, an epoxide or a carboxylic.
  • the graphene oxide flake has an oxidation level between 1% and 25%.
  • the graphene oxide flake has an area to thickness ration less than 100,000 A
  • the reactor further comprises a catalyst.
  • the catalyst selected from a volatile, fixed or permanent base chosen from one or more of ammonia, amines, potassium hydroxide, lithium hydroxide, sodium hydroxide, calcium hydroxide, sodium carbonate, sodium silicate, and transition metal amino compounds.
  • the heat treatment comprises a temperature of 35, 40, 45, 45, 55, 60, 65, 70, 75, or 75°C.
  • the present invention also includes a chemisorbed graphene oxide polymer composite made by a method comprising, consisting essentially of, or consisting of: placing a monomer and graphene oxide into a ball mill; milling the monomer with a carbon additive to produce a physisorbed monomer graphene oxide material; placing the physisorbed monomer graphene oxide material into a polymerization chemical reactor, wherein the physisorbed monomer graphene oxide is converted to chemisorbed monomer graphene oxide by a heat treatment and, optionally, a catalyst; and reacting the monomer carbon additive with other monomers or prepolymers to polymerize the materials to form the chemisorbed graphene oxide polymer composite.
  • the present invention also includes a method of making a chemisorbed graphene oxide comprising, consisting essentially of, or consisting of, the steps of: placing a monomer and graphene oxide into a ball mill; milling the monomer with a carbon additive to produce a physisorbed monomer graphene oxide material; converting the physisorbed monomer graphene oxide material into a chemisorbed monomer graphene oxide by a heat treatment.
  • the carbon additive comprised an oxide of graphite, graphene, carbon, carbon nanotubes, carbon black or carbon nanowires.
  • the monomer of is a liquid or a solid particle.
  • the monomer is a particle with a particle size greater than 1 pm and less than 500 pm. In another aspect, the monomer is a liquid of a viscosity greater than 1 centipoise and less than 10,000 centipoise. In another aspect, the graphene oxide has an oxidation level between 1% and 25%. In another aspect, the graphene oxide is a graphene oxide flake in another aspect, the graphene oxide flake has an area to thickness ration less than 100,000 A In another aspect, the heat treatment further comprises a catalyst.
  • the catalyst selected from a volatile, fixed or permanent base chosen from one or more of ammonia, amines, potassium hydroxide, lithium hydroxide, sodium hydroxide, calcium hydroxide, sodium carbonate, sodium silicate, and transition metal amino compounds.
  • the heat treatment comprises a temperature of 35, 40, 45, 45, 55, 60, 65, 70, 75, or 75°C.
  • the words“comprising” (and any form of comprising, such as“comprise” and“comprises”),“having” (and any form of having, such as“have” and“has”), “including” (and any form of including, such as“includes” and“include”) or“containing” (and any form of containing, such as “contains” and“contain”) are inclusive or open-ended and do not exclude additional, unrecited elements or method steps.
  • “comprising” may be replaced with“consisting essentially of’ or“consisting of’.
  • the phrase“consisting essentially of’ requires the specified integer(s) or steps as well as those that do not materially affect the character or function of the claimed invention.
  • the term“consisting” is used to indicate the presence of the recited integer (e.g., a feature, an element, a characteristic, a property, a method/process step or a limitation) or group of integers (e.g., feature(s), element(s), characteristic(s), property(ies), method/process steps or limitation(s)) only.
  • words of approximation such as, without limitation,“about”, “substantial” or “substantially” refers to a condition that when so modified is understood to not necessarily be absolute or perfect but would be considered close enough to those of ordinary skill in the art to warrant designating the condition as being present.
  • the extent to which the description may vary will depend on how great a change can be instituted and still have one of ordinary skill in the art recognize the modified feature as still having the required characteristics and capabilities of the unmodified feature.
  • a numerical value herein that is modified by a word of approximation such as “about” may vary from the stated value by at least ⁇ 1, 2, 3, 4, 5, 6, 7, 10, 12 or 15%.
  • compositions and/or methods disclosed and claimed herein can be made and executed without undue experimentation in light of the present disclosure. While the compositions and methods of this invention have been described in terms of preferred embodiments, it will be apparent to those of skill in the art that variations may be applied to the compositions and/or methods and in the steps or in the sequence of steps of the method described herein without departing from the concept, spirit and scope of the invention. All such similar substitutes and modifications apparent to those skilled in the art are deemed to be within the spirit, scope and concept of the invention as defined by the appended claims.
  • each dependent claim can depend both from the independent claim and from each of the prior dependent claims for each and every claim so long as the prior claim provides a proper antecedent basis for a claim term or element.

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  • Compositions Of Macromolecular Compounds (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Polymerisation Methods In General (AREA)

Abstract

La présente invention comprend un procédé de fabrication d'un composite polymère d'oxyde de graphène chimisorbé comprenant les étapes consistant : à placer un monomère et de l'oxyde de graphène dans un broyeur à boulets ; à broyer le monomère avec un additif carboné pour produire un matériau d'oxyde de graphène monomère physisorbé ; à placer le matériau d'oxyde de graphène monomère physisorbé dans un réacteur chimique de polymérisation, l'oxyde de graphène monomère physisorbé étant converti en oxyde de graphène monomère chimisorbé ; et à faire réagir l'additif carboné monomère avec d'autres monomères ou prépolymères de manière à polymériser les matériaux afin de former un composite polymère carbone chimisorbé.
PCT/US2019/051405 2018-09-18 2019-09-17 Procédés à l'échelle industrielle pour former des structures de monomère et d'oxyde de graphène liés par covalence WO2020060973A1 (fr)

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EP23154238.2A EP4209545A1 (fr) 2018-09-18 2019-09-17 Procédés à l'échelle industrielle pour former des structures de monomère et d'oxyde de graphène liées de manière covalente
JP2021514559A JP2022500540A (ja) 2018-09-18 2019-09-17 共有結合モノマー及びグラフェンオキシド構造を形成する工業規模の方法
CA3112876A CA3112876C (fr) 2018-09-18 2019-09-17 Procedes a l'echelle industrielle pour former des structures de monomere et d'oxyde de graphene lies par covalence
US17/275,398 US20220106456A1 (en) 2018-09-18 2019-09-17 Industrial Scale Processes Form a Covalent Bonded Monomer and Graphene Oxide Structures
KR1020217011461A KR102647931B1 (ko) 2018-09-18 2019-09-17 공유 결합된 단량체 및 그래핀 산화물 구조를 형성하는 산업 규모 공정
EP19862892.7A EP3853301B1 (fr) 2018-09-18 2019-09-17 Procédés à l'échelle industrielle pour former des structures de monomère et d'oxyde de graphène liés par covalence
JP2023095771A JP2023116639A (ja) 2018-09-18 2023-06-09 共有結合モノマー及びグラフェンオキシド構造を形成する工業規模の方法

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EP3853301B1 (fr) 2023-03-15
EP4209545A1 (fr) 2023-07-12
EP3853301A4 (fr) 2021-11-10
JP2022500540A (ja) 2022-01-04
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US20220106456A1 (en) 2022-04-07
EP3853301A1 (fr) 2021-07-28

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